Firestone         http://www.firestonebpco.com/ 
GAF                 http://www.gaf.com/General/GAFintro_MAIN.asp   
CertainTeed    http://www.certainteed.com/certainteed/index.htm 
Tamko             http://www.tamko.com/ 
Soprema         http://www.soprema.com/ 
Karnak            http://www.karnakcorp.com/
Sika                http://www.sikacorp.com/con-prod-name.htm
Hanover          http://www.hanoverpavers.com/
Allied              http://www.alliedbuilding.com/
Leaf Defier      http://leafdefier.com/

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